CN103580704B - Receiver device adopting automatic gain control and method for controlling receiver by means of automatic gain - Google Patents
Receiver device adopting automatic gain control and method for controlling receiver by means of automatic gain Download PDFInfo
- Publication number
- CN103580704B CN103580704B CN201210261534.0A CN201210261534A CN103580704B CN 103580704 B CN103580704 B CN 103580704B CN 201210261534 A CN201210261534 A CN 201210261534A CN 103580704 B CN103580704 B CN 103580704B
- Authority
- CN
- China
- Prior art keywords
- signal
- automatic gain
- receiver
- amplifier
- gain controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention provides a method for controlling a receiver by means of automatic gain. The method for controlling the receiver by means of the automatic gain comprises the steps that (a) a wireless signal is received, and the wireless signal is processed to form an effective signal within the system bandwidth, (b) the strength of the received signal is detected, (c) the strength of the received signal is compared with target signal power, (d) a radio frequency automatic gain amplifier and a base band automatic gain amplifier are controlled respectively to amplify or attenuate the received signal on a signal link, and (e) the power of the amplified or attenuated signal is made to reach the target signal power. Correspondingly, the invention further provides a receiver device adopting automatic gain control. According to the receiver device adopting the automatic gain control and the method for controlling the receiver by means of the automatic gain, errors, caused by the integrated circuit technique, of the performance of the receiver can be reduced, the range of sensitivity of the receiver is widened, continuity of signals of the receiver is guaranteed, false-alarm signals caused by interference signals are eliminated, and stability of the signals of the receiver is guaranteed.
Description
Technical field
The present invention relates to the receiver with automatic growth control, a kind of automatic gain controller used during the digital modulation signals particularly transmitted in Techniques in Digital Mobile Multimedia Broadcasting.
Background technology
Use the receiver of automatic growth control to have very wide range of application, the application especially in mobile multimedia receiver is more necessary.Because the continuity of signal level, stability is the necessary condition of high-quality receiver.Signal level for sudden change requires that receiver can respond fast; False-alarm can be got rid of for mutation disturbance; Can compensate with little stepping for gradual signal level.
Radio signal level is easy to the impact by surrounding environment, such as, when mobile receiver enter tunnel or satellite can not after the barrier of direct projection time, can smooth variation be there is in the input signal power level of receiver; When lightning thunder or flying object between transmitter and receiver time, unexpected change can be there is in the input signal power level of receiver.The meeting of receiver signal input power levels causes the irrational operation of receiver, and make multi-media signal occur flicker, signal is discontinuous even to interrupt, or audio signal occurs that noise even interrupts.
The power level of the Received signal strength that automatic gain controller part can be detected by detector controls gain or the decay of each element in receiver, to adjust operation of receiver under the power level of the best.If do not have automatic gain control circuit, the multi-media signal image of display can decline along with power level and darkness deepens, and more and more brighter along with the rising of power level.
Because handheld receiver is substantially all powered battery, also require that receiver overall dynamics power consumption when work is very low.
In addition, receiver also will meet the optimization requirement of high integration to element function and cost.
Summary of the invention
The invention provides a kind of receiver apparatus and the method that can meet the use automatic growth control of above-mentioned requirements.
According to an aspect of the present invention, provide. a kind of receiver apparatus using automatic growth control, this device comprises:
A) radio frequency automatic gain controller (101), it is for controlling the gain of radio-frequency front-end;
B) base band automatic gain controller (102), it is opened by the control of described radio frequency automatic gain controller (101), is used for regulating the gain of receiver;
C) power detector (103), the intensity of acknowledge(ment) signal for detecting, and detected signal strength signal intensity is provided to described radio frequency automatic gain controller (101);
D) low noise amplifier (104), for amplifying roughly the radiofrequency signal received through antenna or decaying;
E) rf agc amplifier (105), for carrying out meticulous amplification or decay to the signal after described low noise amplifier (104) adjustment;
F) base band automatic gain amplifier (106), for amplifying the signal outside the Joint regulation scope exceeding described low noise amplifier (104) and described rf agc amplifier (105) or decay under the control of described base band automatic gain controller (102);
G) frequency mixer (107), for changing signal frequency, to obtain the useful signal within system bandwidth;
H) filter (108), for carrying out filtering to interfering frequency;
I) antenna (109), for received RF signal.
According to another aspect of the present invention, additionally provide a kind of automatic gain that uses to control the method for receiver, the method comprises the following steps:
A) receive wireless signal, and process forms the useful signal in system bandwidth;
B) intensity of received signal is detected;
C) more described received signal strength with echo signal power;
D) rf agc amplifier is controlled respectively and base band automatic gain amplifier amplifies or received signal on deamplification link;
E) above-mentioned signal after amplifying or decaying is made to reach echo signal power.
Compared with prior art, adopt technical scheme tool provided by the invention to have the following advantages: the gear threshold value of echo signal power and gain changer is configurable, reduce the error that integrated circuit technology is brought receiver performance; Automatic gain controller is combined by radio frequency automatic gain controller and base band automatic growth control and is formed, and has widened the range of sensitivity of receiver; Automatic gain controller ride gain converter carries out Fast Coarse and is in harmonious proportion fine tuning at a slow speed, ensure that the continuity of receiver signal; Automatic gain controller, by cycle how resident pre-detection, eliminates the false-alarm signal that interference signal causes, and ensures the stability of receiver signal.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious.
Fig. 1 uses automatic gain to control the method for receiver according to an embodiment of the invention;
Fig. 2 is an automatic growth control flow chart according to an embodiment of the invention;
Fig. 3 is a kind of according to an embodiment of the invention receiver apparatus schematic diagram using automatic growth control.
Embodiment
Embodiments of the invention are described below in detail.
The example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the example of the various specific structure and parameter that the invention provides, but those of ordinary skill in the art can recognize the property of can be applicable to of other parameters and/or the use of other structures.
According to an aspect of the present invention, a kind of automatic gain that uses is provided to control the method for receiver.Below, composition graphs 1 to Fig. 3 is specifically described the method that Fig. 1 uses automatic gain to control receiver by one embodiment of the present of invention.Fig. 1 uses automatic gain to control the method for receiver according to an embodiment of the invention; Fig. 2 is an automatic growth control flow chart according to an embodiment of the invention; Fig. 3 is a kind of according to an embodiment of the invention receiver apparatus schematic diagram using automatic growth control.This receiver apparatus comprises: a) radio frequency automatic gain controller 101; B) base band automatic gain controller 102; C) power detector 103; D) low noise amplifier 104; E) rf agc amplifier 105; F) base band automatic gain amplifier 106; G) frequency mixer 107; H) filter 108; And I) antenna 109.
Wherein, radio frequency automatic gain controller 101 is for controlling low noise amplifier 104 on the gain of radio-frequency front-end, periodic switch receiver signal link and rf agc amplifier 105 and for opening base band automatic gain controller 102, eliminating interference signal by how resident; Base band automatic gain controller 102 is for controlling the gain of receiver further; It for the power data from filter 108 is converted into level data after logarithmic amplifier combined with rectifying circuit, and then is exported to radio frequency automatic gain controller 101 by analog to digital converter by power detector 103; Low noise amplifier 104, rf agc amplifier 105, frequency mixer 107, filter 108 form feedback control loop with power detector 103 and radio frequency automatic gain controller 101, periodically adjust the gain of signal, in conjunction with the configurability of receiver, thus provide optimized signal level.
As shown in Figure 1, control method provided by the present invention comprises the following steps:
In step S101, receive wireless signal, and process forms the useful signal in system bandwidth:
Particularly, composition graphs 3, after system antenna 109 receives wireless signal, first make signal carry out preliminary amplification or decay through low noise amplifier 104 and rf agc amplifier 105 to signal, then device 108 after filtering, filtering is carried out to interfering frequency, tentatively to reduce its impact on useful signal, then make described signal through frequency mixer 107, change signal frequency, to obtain the useful signal within system bandwidth.
In step s 102, detect the intensity of current acknowledge(ment) signal, and be converted to digital signal;
Concrete, described useful signal is processed through power detector 103 on controllability path, obtains the intensity of current Received Signal, can as the input signal of radio frequency automatic gain controller 101 in next step after being converted to digital signal.
In step s 103, comparator input signal and echo signal, and perform corresponding steps according to comparative result;
Concrete, as shown in the step S202 of Fig. 2 and step S203, if the signal that power detector 103 exports is in detection window, namely this signal requires no and to amplify or decay just directly can output to receiver, then automatic gain controller 101 is failure to actuate;
If the signal that power detector 103 exports is not in detection window, then continue to perform step S104.
In step S104, automatic gain controller 101 controls each amplifier to amplify or Received signal strength on deamplification link respectively;
Be specially, as shown in the step S204-S207 of Fig. 2, know that signal that power detector 103 exports is not in detection window in step s 103 after testing, next continue to detect the scope whether this signal exceeds low noise amplifier 104 and rf agc amplifier 105 Joint regulation;
Wherein, the gain of low noise amplifier 104 and rf agc amplifier 105 will be determined according to the system index of receiver, such as, and can with reference to the parameter of the present embodiment: the power switched according to receiver system index determination receiver is :-70dBm,-36dBm ,-25dBm.The target power of receiver is-20dBm.Low noise amplifier 104 is divided into third gear, and the gain of each gear is: when when during A1A0=00, gain is-3dB, A1A0=01, gain is 13dB, A1A0=10, gain is 23dB.Rf agc amplifier 105 is divided into 8 gears, and gain ranging is-32.75dB to 31dB, and other module fixed gains of simultaneity factor are 8dB.So the corresponding corresponding gear of the equivalent gain of low noise amplifier 104 is followed successively by 5dB, 21dB, 31dB.So at receiver target power, under power switched and the different gear of low noise amplifier 104, the scope of rf agc amplifier 105 is followed successively by: when low noise amplifier 104 is 10 grades, the gain ranging of rf agc amplifier 105 is [-15dB, 19dB]; When low noise amplifier 104 is 01 grade, sluggish 5dB, the gain ranging of rf agc amplifier 105 is [-16dB, 0dB]; When low noise amplifier 104 is 00 grade, sluggish 5dB, the gain ranging of rf agc amplifier 105 is [-27dB, 5dB].
In the step S205 of Fig. 2, the scope of low noise amplifier 104 and rf agc amplifier 105 Joint regulation is not exceeded if testing result is the signal that signal link receives, then at the step S208 of Fig. 2, low noise amplifier 104 is controlled and rf agc amplifier 105 amplifies or Received signal strength on deamplification link by radio frequency automatic gain controller 101, wherein low noise amplifier 104 is used for carrying out coarse adjustment, and rf agc amplifier 105 is used for carrying out fine tuning until reach target power;
Meanwhile, start counter, and jump back to the step S102 of Fig. 1 after some delay, detect feedback control loop to form automatic gain, periodically the gain of adjustment signal.
Now radio frequency automatic gain controller 101 does not start base band automatic gain controller 102.
At the step S207 of Fig. 2, if testing result is that the signal that signal link receives is too little, beyond the lower limit of low noise amplifier 104 and rf agc amplifier 105 Joint regulation, then at the step S210 of Fig. 2, low noise amplifier 104 is controlled and rf agc amplifier 105 all adjusts to lower limit by radio frequency automatic gain controller 101, then at the step S211 of Fig. 2, radio frequency automatic gain controller 101 starts base band automatic gain controller 102 makes signal reach the level range of ADC (digital to analog converter) steady operation to control base band automatic gain amplifier 106.
At the step S206 of Fig. 2, if testing result is that the signal that signal link receives is too strong, beyond the upper limit of low noise amplifier 104 and rf agc amplifier 105 Joint regulation, then at the step S209 of Fig. 2, low noise amplifier 104 is controlled and rf agc amplifier 105 all adjusts to the upper limit by radio frequency automatic gain controller 101, then at the step S211 of Fig. 2, radio frequency automatic gain controller 101 starts base band automatic gain controller 102 makes signal reach the level range of ADC (digital to analog converter) steady operation to control base band automatic gain amplifier 106.
In the step S105 of Fig. 1, make the above-mentioned signal device 108 after filtering through amplifying or after decay, reach target power, wherein target power will be determined according to the system index of receiver.
According to a further aspect in the invention, additionally provide a kind of receiver apparatus using automatic growth control accordingly, as shown in Figure 3, this device comprises:
A) radio frequency automatic gain controller 101;
B) base band automatic gain controller 102;
C) power detector 103;
D) low noise amplifier 104;
E) rf agc amplifier 105;
F) base band automatic gain amplifier 106;
G) frequency mixer 107;
H) filter 108;
I) antenna 109.
Wherein, described radio frequency automatic gain controller 101 is used for controlling the gain of radio-frequency front-end, is specially to control low noise amplifier 104 and rf agc amplifier 105 amplifies signal or decays;
Described radio frequency automatic gain controller 101 also can module on periodic switch receiver signal link, and its concrete cycle can configure as required.Low noise amplifier 104, rf agc amplifier 105, frequency mixer 107, filter 108, power detector 103 and radio frequency automatic gain controller 101 form feedback control loop, the gain of periodic adjustment signal, in conjunction with the configurability of receiver, thus provide optimized signal level;
In addition, radio frequency automatic gain controller 101 also can open base band automatic gain controller 102, and how residently eliminates interference signal.
Described base band automatic gain controller 102 is controlled to open by radio frequency automatic gain controller 101, is used for controlling the gain that base band automatic gain amplifier 106 regulates receiver further.
Described power detector 103 is used for detecting the intensity of current acknowledge(ment) signal, and the input signal that namely can be used as radio frequency automatic gain controller 101 after being converted to digital signal determines accepted signal whether within the Joint regulation scope of low noise amplifier 104 and rf agc amplifier 105.
Described low noise amplifier 104 and rf agc amplifier 105 are used for amplifying the above-mentioned signal within the scope of Joint regulation or decaying, and wherein low noise amplifier 104 is for amplifying roughly the radiofrequency signal received through antenna or decaying; Rf agc amplifier 105 is for carrying out meticulous amplification or decay until reach target power to the signal after described low noise amplifier (104) adjustment.
Described base band automatic gain amplifier 106 is used for amplifying the signal exceeded outside above-mentioned Joint regulation scope or decaying.
Described frequency mixer 107 and filter 108 are used for processing to the received signal, generate useful signal, its median filter 107 for carrying out filtering to interfering frequency, tentatively to reduce its impact on useful signal; Frequency mixer 107 for changing signal frequency, to obtain the useful signal within system bandwidth.Signal after frequency mixer 107 and filter 108 process is provided to the detection that described power detector 103 carries out signal strength signal intensity.
Because the gear threshold value of echo signal power of the present invention and gain changer is configurable, decrease the error that integrated circuit technology is brought receiver performance; Automatic gain controller is combined by radio frequency automatic gain controller and base band automatic growth control and is formed, and has widened the range of sensitivity of receiver; Automatic gain controller ride gain converter carries out Fast Coarse and is in harmonious proportion fine tuning at a slow speed, ensure that the continuity of receiver signal; Automatic gain controller, by cycle how resident pre-detection, eliminates the false-alarm signal that interference signal causes, and ensures the stability of receiver signal.
Although describe in detail about example embodiment and advantage thereof, being to be understood that when not departing from the protection range of spirit of the present invention and claims restriction, various change, substitutions and modifications can being carried out to these embodiments.For other examples, those of ordinary skill in the art should easy understand maintenance scope in while, specific constructive form can change.
In addition, range of application of the present invention is not limited to the technique of the specific embodiment described in specification, mechanism, manufacture, material composition, means, method and step.From disclosure of the present invention, to easily understand as those of ordinary skill in the art, for the technique existed at present or be about to develop, mechanism, manufacture, material composition, means, method or step later, wherein their perform the identical function of the corresponding embodiment cardinal principle that describes with the present invention or obtain the identical result of cardinal principle, can apply according to the present invention to them.Therefore, claims of the present invention are intended to these technique, mechanism, manufacture, material composition, means, method or step to be included in its protection range.
Claims (10)
1. use a receiver apparatus for automatic growth control, this device comprises:
A) radio frequency automatic gain controller (101), it is for controlling the gain of radio-frequency front-end;
B) base band automatic gain controller (102), it is opened by the control of described radio frequency automatic gain controller (101), is used for regulating the gain of receiver;
C) power detector (103), the intensity of acknowledge(ment) signal for detecting, and detected signal strength signal intensity is provided to described radio frequency automatic gain controller (101);
D) low noise amplifier (104), for amplifying roughly the radiofrequency signal received through antenna or decaying;
E) rf agc amplifier (105), for carrying out meticulous amplification or decay to the signal after described low noise amplifier (104) adjustment;
F) base band automatic gain amplifier (106), for amplifying the signal outside the Joint regulation scope exceeding described low noise amplifier (104) and described rf agc amplifier (105) or decay under the control of described base band automatic gain controller (102);
G) frequency mixer (107), for changing signal frequency, to obtain the useful signal within system bandwidth;
H) filter (108), for carrying out filtering to interfering frequency;
I) antenna (109), for received RF signal.
2. device according to claim 1, wherein, module on described radio frequency automatic gain controller (101) periodic switch receiver signal link, opens base band automatic gain controller (102), and how residently provides and eliminate interference signal.
3. device according to claim 1, wherein power detector (103) detects the intensity of institute acknowledge(ment) signal, determines whether within the preset range of the Joint regulation of low noise amplifier (104) and rf agc amplifier (105).
4. device according to claim 3, if wherein the intensity of described acknowledge(ment) signal is in preset range, then described low noise amplifier (104) and described rf agc amplifier (105) combine amplification or decay to the signal in preset range.
5. device according to claim 3, if wherein the intensity of described acknowledge(ment) signal is outside preset range, then described base band automatic gain amplifier (106) is used for amplifying the signal exceeded outside described preset range or decaying.
6. use automatic gain to control a method for receiver, the method comprises the following steps:
A) wireless signal is received with antenna (109), then described signal is made first to carry out preliminary amplification or decay through low noise amplifier (104) and rf agc amplifier (105) to signal, make signal first respectively through filter (108) and frequency mixer (107), obtain the useful signal in system bandwidth;
B) intensity of received signal is detected;
C) more described received signal strength and echo signal power;
D) rf agc amplifier is controlled respectively and base band automatic gain amplifier amplifies or received signal on deamplification link, wherein be specially the scope whether signal that first detection signal link receives exceeds low noise amplifier (104) and rf agc amplifier (105) Joint regulation, then use radio frequency automatic gain controller (101) to make control operation to low noise amplifier (104) and rf agc amplifier (105) and base band automatic gain controller (102) respectively according to testing result;
E) above-mentioned signal after amplifying or decaying is made to reach echo signal power.
7. the method for control receiver according to claim 6, wherein said step b) be specially:
Described useful signal is processed through power detector (103) on controllability path, obtains the digital signal of the intensity of reacting current Received Signal.
8. the method for control receiver according to claim 7, wherein said step c) be specially:
If power detector (103) output level, in detection window, directly can output to receiver;
If power detector (103) output level not in detection window, then performs steps d).
9. the method for control receiver according to claim 6, wherein said control operation comprises:
The scope of low noise amplifier (104) and rf agc amplifier (105) Joint regulation is not exceeded if testing result is the signal that signal link receives, then control low noise amplifier (104) by radio frequency automatic gain controller and rf agc amplifier (105) amplifies or Received signal strength on deamplification link, do not start base band automatic gain controller (102); And
The upper limit or the lower limit of low noise amplifier (104) and rf agc amplifier (105) Joint regulation is exceeded if testing result is the signal that signal link receives, then control low noise amplifier (104) by radio frequency automatic gain controller (101) and rf agc amplifier (105) all adjusts to the upper limit or lower limit, then radio frequency automatic gain controller (101) startup base band automatic gain controller (102) controls base band automatic gain amplifier (106) and makes signal reach predetermined work level range.
10. the method for control receiver according to claim 9, wherein said control operation comprises:
Described radio frequency automatic gain controller (101) controls described low noise amplifier (104) and carries out coarse adjustment, controls described rf agc amplifier (105) and carries out fine tuning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210261534.0A CN103580704B (en) | 2012-07-25 | 2012-07-25 | Receiver device adopting automatic gain control and method for controlling receiver by means of automatic gain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210261534.0A CN103580704B (en) | 2012-07-25 | 2012-07-25 | Receiver device adopting automatic gain control and method for controlling receiver by means of automatic gain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103580704A CN103580704A (en) | 2014-02-12 |
| CN103580704B true CN103580704B (en) | 2015-05-20 |
Family
ID=50051755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210261534.0A Active CN103580704B (en) | 2012-07-25 | 2012-07-25 | Receiver device adopting automatic gain control and method for controlling receiver by means of automatic gain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103580704B (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767541B (en) * | 2015-04-22 | 2017-10-17 | 清华大学 | A kind of receiver speed automatic gain control system and control method |
| CN105467413B (en) * | 2015-12-07 | 2017-11-14 | 西安航天华迅科技有限公司 | A kind of satellite navigation radio frequency chip and system with temperature-compensating |
| CN106921398A (en) * | 2015-12-28 | 2017-07-04 | 航天信息股份有限公司 | AGC devices and RF receiving circuit for realizing dynamic range gain |
| CN106027084B (en) * | 2016-05-18 | 2018-12-18 | 昆山龙腾光电有限公司 | Reduce the method and device of noise |
| CN110492891B (en) | 2016-08-31 | 2021-08-27 | 华为技术有限公司 | Receiver and wireless communication device |
| CN106712812A (en) * | 2016-12-20 | 2017-05-24 | 宇龙计算机通信科技(深圳)有限公司 | Bluetooth terminal, and Bluetooth receiving circuit and gain control method thereof |
| CN109150216B (en) * | 2017-06-13 | 2021-01-22 | 中兴通讯股份有限公司 | Dual-band receiver and automatic gain control method thereof |
| CN107919881B (en) * | 2017-12-27 | 2019-03-01 | 中国人民解放军陆军工程大学 | A kind of automatic growth control receiver |
| CN108377138A (en) * | 2018-01-10 | 2018-08-07 | 海能达通信股份有限公司 | A kind of bandpass filter and receiver |
| CN108880652A (en) * | 2018-06-01 | 2018-11-23 | 四川斐讯信息技术有限公司 | A kind of adjust automatically receives the method and system of power |
| CN110445562B (en) * | 2019-08-15 | 2022-02-08 | 展讯通信（上海）有限公司 | Gain control method, device, relay device and storage medium |
| CN111162809B (en) * | 2019-12-13 | 2022-04-15 | 西安易朴通讯技术有限公司 | Wireless receiver and wireless device |
| CN111399001B (en) * | 2020-03-31 | 2022-05-06 | 和芯星通科技(北京)有限公司 | Method and device for processing broadband interference |
| CN112312534B (en) * | 2020-10-30 | 2022-08-16 | 展讯通信(天津)有限公司 | Method and system for adjusting receiving link gain and intelligent terminal |
| CN114301479A (en) * | 2022-01-18 | 2022-04-08 | 青岛联众芯云科技有限公司 | Power line carrier communication receiver and control method thereof |
| CN114866116B (en) * | 2022-07-05 | 2022-09-27 | 深圳市汇顶科技股份有限公司 | Near field communication method and near field communication device |
| US11929770B1 (en) | 2023-03-06 | 2024-03-12 | Hong Kong Applied Science and Technology Research Institute Company Limited | Automatic Gain Control (AGC) for On-Off Shift-Keying (OOK) receiver |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1875547A (en) * | 2003-11-07 | 2006-12-06 | 美商亚瑟罗斯通讯股份有限公司 | Adaptive interference immunity control |
| CN101931762A (en) * | 2009-06-19 | 2010-12-29 | 汤姆森特许公司 | Receiver with analog and digital gain control, and respective method |
| CN102195582A (en) * | 2010-12-31 | 2011-09-21 | 重庆重邮信科通信技术有限公司 | AGC (automatic gain control) method and device |
| CN102215556A (en) * | 2010-04-01 | 2011-10-12 | 中兴通讯股份有限公司 | Transceiving unit, and automatic gain control method and device of wireless receiving system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6721547B2 (en) * | 2001-05-04 | 2004-04-13 | Atheros Communications, Inc. | In-band and out-of-band signal detection for automatic gain calibration systems |
| JP4818229B2 (en) * | 2007-08-28 | 2011-11-16 | 三洋電機株式会社 | Tuner circuit and receiving apparatus |
| WO2012078432A1 (en) * | 2010-12-07 | 2012-06-14 | Marvell World Trade Ltd | Rf peak detection scheme using baseband circuits |
-
2012
- 2012-07-25 CN CN201210261534.0A patent/CN103580704B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1875547A (en) * | 2003-11-07 | 2006-12-06 | 美商亚瑟罗斯通讯股份有限公司 | Adaptive interference immunity control |
| CN101931762A (en) * | 2009-06-19 | 2010-12-29 | 汤姆森特许公司 | Receiver with analog and digital gain control, and respective method |
| CN102215556A (en) * | 2010-04-01 | 2011-10-12 | 中兴通讯股份有限公司 | Transceiving unit, and automatic gain control method and device of wireless receiving system |
| CN102195582A (en) * | 2010-12-31 | 2011-09-21 | 重庆重邮信科通信技术有限公司 | AGC (automatic gain control) method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103580704A (en) | 2014-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103580704B (en) | Receiver device adopting automatic gain control and method for controlling receiver by means of automatic gain | |
| US8509290B2 (en) | Closed-loop digital power control for a wireless transmitter | |
| US20070197178A1 (en) | Automatic gain control system for receivers in wireless communications | |
| JP5836868B2 (en) | Method and system for controlling signal transmission of a wireless communication device | |
| JPH11136154A (en) | Receiver | |
| WO2011005843A3 (en) | Receiver with automatic gain control | |
| US20110140778A1 (en) | Automatic gain control method and apparatus | |
| CN103427858B (en) | Automatic gain control equipment and method, radiofrequency receiving chip and radio-frequency transmitter | |
| US9288697B2 (en) | Wireless communication circuit with a wideband received signal strength indicator | |
| US7933369B2 (en) | Apparatus for automatic gain control and wireless receiver employing the same | |
| JP2008268072A (en) | On-vehicle radar | |
| US7983642B2 (en) | Method and system for detecting an out of band interferer in an RF receiver | |
| CN108616974B (en) | Gain and power adjusting method and device | |
| WO2009011143A1 (en) | Automatic gain control circuit | |
| CN114499561A (en) | Wireless communication receiver and automatic gain control device and control method thereof | |
| US20090239481A1 (en) | Wireless communication device | |
| KR20140022659A (en) | Radio frequency receiving apparatus and thereof power consumption reducing method | |
| CN105790781A (en) | Feedback control method of communication receiver | |
| CN101814902A (en) | Gain control circuit and method | |
| JP5297487B2 (en) | Receiver and gain control method | |
| KR100724947B1 (en) | Automatic Gain Controller in Receiver for Communication System with Discontinuous Transmission and Method thereof | |
| WO2012025953A1 (en) | Radio receiver apparatus | |
| US8798567B2 (en) | Gain control circuit and receiving system | |
| CN104768215A (en) | Automatic adjustment method and system of channel gain and applicable mobile equipment | |
| US7859334B2 (en) | Hybrid power control for a power amplifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201214 Address after: 510000 601, building a, 136 Kaiyuan Avenue, Huangpu District, Guangzhou City, Guangdong Province Patentee after: AoXin integrated circuit technology (Guangdong) Co.,Ltd. Address before: 100029 Beijing city Chaoyang District Beitucheng West Road No. 3 Patentee before: Institute of Microelectronics, Chinese Academy of Sciences |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220427 Address after: 510000 room 710, Jianshe building, No. 348, Kaifa Avenue, Huangpu District, Guangzhou, Guangdong Patentee after: Ruili flat core Microelectronics (Guangzhou) Co.,Ltd. Address before: 510000 601, building a, 136 Kaiyuan Avenue, Huangpu District, Guangzhou City, Guangdong Province Patentee before: AoXin integrated circuit technology (Guangdong) Co.,Ltd. |
|
| TR01 | Transfer of patent right |